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THOMAsHURRIDGE, OF sfr. IIOUIs, MISSOURI, AssIeNoR ronnvrsnnn an `US'IIOILOF sarna.I3IIAGE.` i

` PINTING-BRESS.

Specification of Letters Patent No. 26,545, dated December20,

To all 'whom 'it may concern: p

Be it known that I, THOMAS I-I. BURRIDGE, of the city and county of St. Louis and State of Missouri, have invented a new and useful Improvement in Printing Presses; and I do hereby declare that the following is a full, clear, and exact description ofthe same, reference being had to the annexed drawing, making a part of this specication, in which- Figure l is a top view, Fig. 2 a longitu` sponding parts of the dierent figures of the drawing annexed.

The frame of the machine is shown upon the drawing at A, and it may be made of the form and proportion shown upon the drawing or of such other form and proportion as will best ll the conditions of strength and convenience. Across the top of the frame there are two bedways fixed shown at II, and upon these ways the table, I is laid, which has bearing pieces cast on its under side to correspond with the ways, upon which the said table reciprocates after the manner of an Ordinary reciprocating printing press.

The steam cylinder is shown at B.' It is secured to the frame, so as to lie upon a horizontal plane-directly -under the `table of the press'. The steam cylinder is of the ordinary construction as is also the steam chest. The valves are of the ordinary .re`

ciprocating kind and the rod C may be attached to them after any of the ordinary methods. The steam pipe is shown at F and the exhaust pipe is shown at F.

The piston rod of the engine is shown at` N, and it is connectedto the table `of the press by meansof the arm R which isbolted to the table so as to forma `part of it, whichl :y thus establishes a direct application of; the` piston rod to vthe tablef-wherebyfthe said OMAs;

table is made to receive `thesame motion;` and of the same extent and duration-.that the piston does, and'has. `The extent of `the motion of the "piston, `is `regulated `bylluthe H action of the valves, :which admitfthe steam: to the alternate endsfofithe cylinder iat diierent times, which thus governsfthe ex-1` tent or distance traveled thepiston .i

each direction. i. i e The valves areloperatedfby means of tappets b b, xediupon a bar o, attached, tol

the table of the press.` These tappets `act upon the cam levers I-I H, which are iixedt upon centers in the bracketsh; and "whichfjv are connected together byfineansxof aNbaI-I" 1" 7 shown in dotted` lines, @andthis barfisf` if connected to the valve stem); Qjbymeans pot;` the arm d so that; when thetappet b strikes# the cam H the steam@` is admittedtotheycyll inder through the chest and ivice versa;` Now the tappets b b fare adjustableso that i the distance the piston` travels is lregulated` by the distance the tappets are apart#ftlaus\` if the tappets are far apartthe distance traveled will be shortyandhivice: versa-lfbutll in no case does thepiston:` travel thegiull l length of the cylinder as oneof the objects 1 l of this invention is to arrest thel momentum y 1 of the table, by causing the piston tocushion j 1 `85 i .i to the back side of theQpiston beforelitf; arises to end of its strokemthns.bringinglgthel against the steamwliichhas been admitted,

table easily to resta-nd starting, it `uponits return stroke with little on no stress upon ,90u

themachine. e e 3 i ,e J is a roller and s is the axis thereofand` roller is made to revolvebackl and forth..

This however constitutes no `part of this ini-p;

vention. i

It will beseen thatitlie type `table is actus. i

ated by the direct` application `of steam:

power thereto, and that` the momentiun `of" the said table is arrestedby thecushioning" `of the same piston againstI thesteam 1 said tablet@ arrest the momentum thereof substantially as described.

THOMAS H. BURRIDGE.

gives motion to the said tahieg lWhich consider the essential features of my invention. What I claim therefore as my invention and desire to secure by Letters Patent is- 5 The direct application of steam power to Witnesses:

the type table of a printing press, and in AMos BROADNAX, causing the same piston that actuates the C. E. GRAY. 

